package Scopes;

import Shapes.*;
import java.util.*;
import java.awt.Point;
import java.awt.Color;
import Factories.*;
import Strategies.*;
import Views.*;
import Util.*;

public class Kaleidoscope {
  protected static Randomizer r = new Randomizer();
  protected ShapeVector theShapes;
  protected Vector theViews;
  protected ShapeFactory theFactory;
  protected ShapeMutationStrategy theStrategy;

  public Kaleidoscope(ShapeFactory factory,
                      ShapeMutationStrategy strategy) {
    theShapes = new ShapeVector();
    theViews = new Vector();
    theFactory = factory;
    theStrategy = strategy;
  }

  public ShapeIterator getShapes(){
    return (theShapes.iterator() );
  }

  public void register( KaleidoscopeView v )
  {
    theViews.addElement(v);
  }

   public void turn(){

    // Mutate the existing shapes.
    for( int i = 0; i < theShapes.size() ; i++){
      theStrategy.mutate( theShapes.elementAt(i) );
    }

    // Add new shape from factory.
    theShapes.addElement( theFactory.createShape() );

    // Update the views
    for(int i = 0; i < theViews.size(); i++){
      ((KaleidoscopeView)( theViews.elementAt(i) )).update();
    }

  }
}